Given an AOE network.AOE network is a directed graph, each vertex represents an event, each edge represents an activity, and the activity of each edge represents the time required to complete the activity.

For a given AOE network, we define the starting point and the end point, and then we need to calculate the latest start time and earliest start time of each event from the start point to the end point. What are the key activities.

IN C LANGUAGE

Activity On Edge Network Write a program that allows a user to find all critical paths from a given AOE network. Input: The input file, which describes an AOE network, has the following data. The first line of the file contains an integer N (0<>